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Mathematics 18 Online
OpenStudy (anonymous):

The scatter diagram of the lengths and widths of the petals of a type of flower is football shaped; the correlation is 0.8. The average petal length is 3.1 cm and the SD is 0.25 cm. The average petal width is 1.8 cm and the SD is 0.2 cm. a. Of the petals that are 1.5 cm wide, about what percent are less than 2.75 cm long?

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